(b)(4).Date sent: 1/18/2024.D4: batch # unk.An analysis of the product could not be performed since a physical sample was not received for evaluation.As part of our company quality system process, all devices are manufactured, inspected, and distributed to approved specifications.Additional information was requested and the following was obtained: was there any other issue noted with the staple line other than leaking (malformed staples, staple line missing staples, etc.)? no.
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It was reported from a health authority that during after a thoracoscopic left lower bullae and left upper bullae resection, no obvious air leakage was found in the expanded lung during the operation.The patient's chest bottle did not show obvious gas escape on the 1st day after the operation.The patient's chest bottle showed a large amount of gas escape on the 3rd day after the operation.The thoracentesis was performed again to drain the gas.After supportive treatment including closed thoracic drainage and vacuum aspiration, the patient was improved and discharged.
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